Ukudayiswa okushisayo China okuzenzakalelayo C/Z purlin roll ukwakha umshini

Lona umshini wokwenza umqulu we-C/Z purlin ozenzakalelayo.
Ingakhiqiza:
C Purlin :
a: 80-300mmb: 35-80mm c: 10-25mm T: ubuningi 3mm
I-Z Purlin:
a: 120-300mm b: 35-80mm c:10-25mm T: ubuningi 3mm
Bonke osayizi bangazilungisa ngokuzenzakalelayo, C/Z balungise ngesandla.